<p>In this episode, I’m joined by Dr. Scott Sherr, a board-certified internal medicine doctor and expert in integrative and hyperbaric medicine. He’s shining a light on a little-known brain chemical called <strong>GABA</strong> — often described as your brain’s “off switch.”</p><p>Dr. Sherr believes GABA deficiency is one of the most overlooked drivers of mental fatigue, stress, and sleep issues today. And more importantly, he shares powerful, practical ways to support GABA naturally — beyond just popping supplements. We’re talking cutting-edge tools like medicinal mushrooms (a.k.a. fungiceuticals), targeted lifestyle shifts, and more.</p><p><br></p><p><strong>For full show notes and transcript:</strong><a href="https://drgundry.com/dr-scott-sherr" rel="noopener noreferrer" target="_blank"><strong> https://drgundry.com/dr-scott-sherr</strong></a></p><p><br></p><p><strong>Thank you to our sponsors! Check them out: </strong></p><ul><li>Make the swap to non-toxic cookware. Get 10% off sitewide on nontoxic cookware at fromourplace.com using the code GUNDRY.</li><li>Visit Sunlighten.com and mention DrGundry when you fill out the get-pricing form and save up to $600 on your purchase</li><li>SunlightenVisit Juvent.com/GUNDRY and use code GUNDRY at checkout to get an extra $300 off your Juvent Micro-Impact Platform.</li><li>Save money. Get a quote today at Progressive.com.</li><li>Go to timelinenutrition.com/GUNDRY to get 10% off your first order of Mitopure.</li></ul><p><br></p><p>See Privacy Policy at <a href="https://art19.com/privacy" rel="noopener noreferrer" target="_blank">https://art19.com/privacy</a> and California Privacy Notice at <a href="https://art19.com/privacy#do-not-sell-my-info" rel="noopener noreferrer" target="_blank">https://art19.com/privacy#do-not-sell-my-info</a>.</p>